Atlantic, Southwest 48 - Marine


Country/territory: High Seas

IBA Criteria met: -
For more information about IBA criteria please click here

Area: 3,152,964 ha

Protection status:


Site description
This Marine IBA is identified using tracking data. It falls within High Seas International Waters and the Atlantic, Southwest FAO ocean region. The site covers an area of 31530 km2 and is 714 km away from the closet coastline. The depth ranges from 1897 to 6155 m, with a mean annual wind speed of 2.85 m/s, mean annual sea surface temperature falls between 4.5 and 9.84 °C and mean annual chlorophyll-a concentrations found to range between 0.32 and 0.59 mg/m3.

Key biodiversity
2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 1342-2684 individuals of Wandering Albatross (VU) from South Georgia are present at the site during the Sabbatical (Nov-Feb) life-history stage. 31205-35105 individuals of Grey-headed Albatross (VU) from South Georgia are present at the site during the Non-breeding (Oct-Jun) life-history stage.


Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Atlantic, Southwest 48 - Marine. Downloaded from http://www.birdlife.org on 25/01/2021.